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This paper proposes an environment-aware near-field channel estimation framework for integrated sensing and communication (ISAC) systems equipped with extremely large-scale antenna arrays (ELAAs). The proposed framework jointly exploits…

Information Theory · Computer Science 2026-04-07 Yuan Guo , Yilong Chen , Zixiang Ren , Jie Xu

Accurate localization in non-line-of-sight (NLoS) environments remains challenging even with both angle-of-arrival (AoA) and time-of-arrival (ToA) measurements. In complex urban scenarios, the absence of line-of-sight (LoS) paths and the…

Signal Processing · Electrical Eng. & Systems 2026-04-09 Chentao Hong , Di Wu , Liang Wu , Zaichen Zhang , Yong Zeng

The convergence of artificial intelligence (AI) and sixth-generation (6G) wireless technologies is driving an urgent need for large-scale, high-fidelity, and reproducible radio frequency (RF) datasets. Existing resources, such as…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Lizhou Liu , Xiaohui Chen , Wenyi Zhang

When Unmanned Aerial Vehicles (UAVs) perform high-precision communication tasks, such as searching for users and providing emergency coverage, positioning errors between base stations and users make it challenging to deploy trajectory…

Signal Processing · Electrical Eng. & Systems 2025-12-18 Chiya Zhang , Ting Wang , Chunlong He

Channel knowledge map (CKM) is a promising technology to enable environment-aware wireless communications and sensing. Link state map (LSM) is one particular type of CKM that aims to learn the location-specific line-of-sight (LoS) link…

Information Theory · Computer Science 2024-09-04 Yuhang Yang , Xiaoli Xu , Yong Zeng , Haijian Sun , Rose Qingyang Hu

Contextual information has been shown to be powerful for semantic segmentation. This work proposes a novel Context-based Tandem Network (CTNet) by interactively exploring the spatial contextual information and the channel contextual…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Zechao Li , Yanpeng Sun , Jinhui Tang

Recently, we are witnessing the remarkable progress and widespread adoption of sensing technologies in autonomous driving, robotics, and metaverse. Considering the rapid advancement of computer vision (CV) technology to analyze the sensing…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Seungnyun Kim , Jihoon Moon , Jinhong Kim , Yongjun Ahn , Donghoon Kim , Sunwoo Kim , Kyuhong Shim , Byonghyo Shim

This paper investigates the construction of channel knowledge map (CKM) from sparse channel measurements. Dif ferent from conventional two-/three-dimensional (2D/3D) CKM approaches assuming fixed base station configurations, we present a…

Signal Processing · Electrical Eng. & Systems 2025-10-31 Juncong Zhou , Chao Hu , Guanlin Wu , Zixiang Ren , Han Hu , Juyong Zhang , Rui Zhang , Jie Xu

The advancement of advanced air mobility (AAM) in recent years has given rise to the concept of low-altitude economy (LAE). However, the diverse flight activities associated with the emerging LAE applications in urban scenarios confront…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Yonghao Wang , Ruoguang Li , Di Wu , Jiaqi Chen , Yong Zeng

The Channel Knowledge Map (CKM) maps position information to channel state information, leveraging environmental knowledge to reduce signaling overhead in sixth-generation networks. However, constructing a reliable CKM demands substantial…

Computational Engineering, Finance, and Science · Computer Science 2025-12-18 Ting Wang , Chiya Zhang , Chang Liu , Zhuoyuan Hao , Rubing Han , Weizheng Zhang , Chunlong He

The deep integration of communication with intelligence and sensing, as a defining vision of 6G, renders environment-aware channel prediction a key enabling technology. As a representative 6G application, vehicular communications require…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Xuejian Zhang , Ruisi He , Minseok Kim , Inocent Calist , Mi Yang , Ziyi Qi

The design and technology development of 6G-enabled networked intelligent systems needs an accurate real-time channel model as the cornerstone. However, with the new requirements of 6G-enabled networked intelligent systems, the conventional…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Lu Bai , Zengrui Han , Xuesong Cai , Xiang Cheng

Millimeter-wave (mmWave) and terahertz (THz) communication systems require large antenna arrays and use narrow directive beams to ensure sufficient receive signal power. However, selecting the optimal beams for these large antenna arrays…

Information Theory · Computer Science 2024-02-23 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

Unmanned Aerial Vehicles (UAVs) are increasingly utilized in wireless communication, yet accurate channel loss prediction remains a significant challenge, limiting resource optimization performance. To address this issue, this paper…

Artificial Intelligence · Computer Science 2025-05-14 Chiya Zhang , Ting Wang , Rubing Han , Yuanxiang Gong

In the sixth generation (6G) wireless communication networks, the device density, antenna number, and the complexity of communication scenarios will significantly increase, which brings great challenges for system design and network…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Tianrun Qi , Cheng-Xiang Wang , Chen Huang , Jiayue Shi , Junling Li , Shuaifei Chen , El-Hadi M. Aggoune

In the future sixth-generation (6G) era, to support accurate localization sensing and efficient communication link establishment for intelligent agents, a comprehensive understanding of the surrounding environment and proper channel…

Signal Processing · Electrical Eng. & Systems 2024-11-07 Lu Bai , Ziwei Huang , Mingran Sun , Xiang Cheng , Lizhen Cui

Accurate channel state information (CSI) is critical to the performance of wireless communication systems, especially with the increasing scale and complexity introduced by 5G and future 6G technologies. While artificial intelligence (AI)…

Information Theory · Computer Science 2025-07-08 Jiajia Guo , Peiwen Jiang , Chao-Kai Wen , Shi Jin , Jun Zhang

Future 6G networks will host massive numbers of embodied intelligent agents, which require real-time channel awareness over continuous-space for autonomous decision-making. By pre-obtaining location-specific channel state information (CSI),…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Tianrun Qi , Cheng-Xiang Wang , Chen Huang , Junling Li , John S Thompson

6G system is evolving toward full-spectrum coverage,ultra-wide bandwidth, and high mobility, resulting in increasingly complex propagation environments. The deep integration of communication and sensing is widely recognized as a core 6G…

Information Theory · Computer Science 2026-01-27 Xuejian Zhang , Ruisi He , Mi Yang , Zhengyu Zhang , Ziyi Qi

We introduce a new approach using computer vision to predict the land surface displacement from subsurface geometry images for Carbon Capture and Sequestration (CCS). CCS has been proved to be a key component for a carbon neutral society.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Wei Chen , Yunan Li , Yuan Tian